1388693403

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{130873}}^1$

素因数の和:131016

約数の個数: 20

約数和(自身を含む): 2090319528

約数和(自身を除く): 701626125

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 130873, 392619, 1177857, 3533571, 10600713, 17144363, 51433089, 154299267, 462897801, 1388693403]

約数ペア:

[(1, 1388693403), (3, 462897801), (9, 154299267), (27, 51433089), (81, 17144363), (131, 10600713), (393, 3533571), (1179, 1177857), (3537, 392619), (10611, 130873)]